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| rockfall SilvaProtect, modelled and assigned | |||||||
|---|---|---|---|---|---|---|---|
| inside perimeter | outside perimeter | total | |||||
| canton | time of last treatment (classes of 10 years) | 1000 ha | ± % | 1000 ha | ± % | 1000 ha | ± % |
| AG | n/a | . | . | 4.5 | 20 | 4.5 | 20 |
| less than 10 years ago | . | . | 32.6 | 5 | 32.6 | 5 | |
| 11-20 years ago | . | . | 8.0 | 14 | 8.0 | 14 | |
| 21-30 years ago | . | . | 1.9 | 31 | 1.9 | 31 | |
| 31-40 years ago | . | . | 0.9 | 44 | 0.9 | 44 | |
| 41-50 years ago | . | . | 0.6 | 58 | 0.6 | 58 | |
| over 50 years ago | . | . | 0.7 | 50 | 0.7 | 50 | |
| total | . | . | 49.1 | 2 | 49.1 | 2 | |
| AI | n/a | . | . | 0.8 | 42 | 0.8 | 42 |
| less than 10 years ago | . | . | 1.3 | 32 | 1.3 | 32 | |
| 11-20 years ago | . | . | 1.6 | 27 | 1.6 | 27 | |
| 21-30 years ago | . | . | 1.0 | 38 | 1.0 | 38 | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | . | . | 0.3 | 70 | 0.3 | 70 | |
| over 50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| total | . | . | 5.2 | 7 | 5.2 | 7 | |
| AR | n/a | . | . | 1.1 | 36 | 1.1 | 36 |
| less than 10 years ago | . | . | 3.5 | 17 | 3.5 | 17 | |
| 11-20 years ago | . | . | 2.3 | 24 | 2.3 | 24 | |
| 21-30 years ago | . | . | 0.8 | 43 | 0.8 | 43 | |
| 31-40 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 0.3 | 70 | 0.3 | 70 | |
| total | . | . | 8.2 | 6 | 8.2 | 6 | |
| BE | n/a | 0.5 | 58 | 18.7 | 9 | 19.3 | 9 |
| less than 10 years ago | 2.0 | 30 | 75.1 | 4 | 77.1 | 4 | |
| 11-20 years ago | 0.9 | 45 | 37.1 | 6 | 38.0 | 6 | |
| 21-30 years ago | 0.2 | 100 | 13.6 | 11 | 13.7 | 11 | |
| 31-40 years ago | 0.5 | 58 | 6.2 | 17 | 6.8 | 16 | |
| 41-50 years ago | 0.4 | 71 | 2.7 | 26 | 3.0 | 24 | |
| over 50 years ago | . | . | 9.3 | 14 | 9.3 | 14 | |
| total | 4.5 | 20 | 162.7 | 2 | 167.2 | 2 | |
| BL/BS | n/a | . | . | 2.1 | 29 | 2.1 | 29 |
| less than 10 years ago | 0.2 | 100 | 8.7 | 12 | 8.9 | 12 | |
| 11-20 years ago | 0.2 | 100 | 6.5 | 15 | 6.7 | 14 | |
| 21-30 years ago | . | . | 1.2 | 40 | 1.2 | 40 | |
| 31-40 years ago | . | . | 1.2 | 40 | 1.2 | 40 | |
| 41-50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| over 50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| total | 0.4 | 70 | 20.1 | 4 | 20.5 | 4 | |
| FR | n/a | . | . | 4.8 | 19 | 4.8 | 19 |
| less than 10 years ago | . | . | 18.0 | 8 | 18.0 | 8 | |
| 11-20 years ago | . | . | 8.9 | 13 | 8.9 | 13 | |
| 21-30 years ago | . | . | 5.2 | 18 | 5.2 | 18 | |
| 31-40 years ago | . | . | 1.8 | 31 | 1.8 | 31 | |
| 41-50 years ago | . | . | 1.3 | 37 | 1.3 | 37 | |
| over 50 years ago | . | . | 2.2 | 28 | 2.2 | 28 | |
| total | . | . | 42.2 | 3 | 42.2 | 3 | |
| GE | n/a | . | . | 0.7 | 53 | 0.7 | 53 |
| less than 10 years ago | . | . | 0.7 | 57 | 0.7 | 57 | |
| 11-20 years ago | . | . | . | . | . | . | |
| 21-30 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| 31-40 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| 41-50 years ago | . | . | 0.7 | 53 | 0.7 | 53 | |
| over 50 years ago | . | . | . | . | . | . | |
| total | . | . | 2.7 | 18 | 2.7 | 18 | |
| GL | n/a | . | . | 2.5 | 26 | 2.5 | 26 |
| less than 10 years ago | 0.9 | 44 | 3.8 | 20 | 4.7 | 17 | |
| 11-20 years ago | 0.5 | 57 | 3.1 | 22 | 3.7 | 20 | |
| 21-30 years ago | . | . | 1.2 | 37 | 1.2 | 37 | |
| 31-40 years ago | 0.3 | 70 | 1.0 | 40 | 1.4 | 34 | |
| 41-50 years ago | . | . | 0.5 | 57 | 0.5 | 57 | |
| over 50 years ago | 0.3 | 70 | 1.4 | 35 | 1.8 | 31 | |
| total | 2.1 | 28 | 13.6 | 8 | 15.7 | 7 | |
| GR | n/a | 0.5 | 58 | 19.9 | 9 | 20.4 | 9 |
| less than 10 years ago | 1.0 | 41 | 40.8 | 6 | 41.9 | 6 | |
| 11-20 years ago | 1.0 | 41 | 30.3 | 7 | 31.3 | 7 | |
| 21-30 years ago | 0.7 | 50 | 13.7 | 11 | 14.4 | 11 | |
| 31-40 years ago | 0.7 | 50 | 11.6 | 12 | 12.3 | 11 | |
| 41-50 years ago | 0.2 | 100 | 8.4 | 14 | 8.6 | 14 | |
| over 50 years ago | 1.4 | 35 | 30.9 | 7 | 32.3 | 7 | |
| total | 5.5 | 17 | 155.7 | 2 | 161.2 | 2 | |
| JU | n/a | . | . | 3.6 | 21 | 3.6 | 21 |
| less than 10 years ago | 0.4 | 71 | 12.4 | 10 | 12.8 | 10 | |
| 11-20 years ago | 0.2 | 100 | 10.3 | 11 | 10.5 | 11 | |
| 21-30 years ago | 0.2 | 100 | 3.4 | 22 | 3.6 | 21 | |
| 31-40 years ago | . | . | 1.4 | 35 | 1.4 | 35 | |
| 41-50 years ago | 0.2 | 100 | 0.5 | 57 | 0.7 | 50 | |
| over 50 years ago | 0.2 | 100 | 1.2 | 37 | 1.4 | 35 | |
| total | 1.1 | 40 | 32.9 | 3 | 33.9 | 3 | |
| LU | n/a | . | . | 5.2 | 17 | 5.2 | 17 |
| less than 10 years ago | . | . | 17.9 | 8 | 17.9 | 8 | |
| 11-20 years ago | . | . | 11.5 | 11 | 11.5 | 11 | |
| 21-30 years ago | . | . | 4.0 | 20 | 4.0 | 20 | |
| 31-40 years ago | . | . | 0.7 | 50 | 0.7 | 50 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 1.7 | 31 | 1.7 | 31 | |
| total | . | . | 41.0 | 3 | 41.0 | 3 | |
| NE | n/a | . | . | 3.2 | 23 | 3.2 | 23 |
| less than 10 years ago | . | . | 18.7 | 6 | 18.7 | 6 | |
| 11-20 years ago | . | . | 4.6 | 18 | 4.6 | 18 | |
| 21-30 years ago | . | . | 1.2 | 37 | 1.2 | 37 | |
| 31-40 years ago | . | . | 0.4 | 71 | 0.4 | 71 | |
| 41-50 years ago | . | . | 0.4 | 70 | 0.4 | 70 | |
| over 50 years ago | 0.2 | 100 | 0.2 | 100 | 0.4 | 70 | |
| total | 0.2 | 100 | 28.5 | 3 | 28.7 | 3 | |
| NW | n/a | 0.4 | 70 | 0.8 | 48 | 1.2 | 39 |
| less than 10 years ago | . | . | 3.5 | 19 | 3.5 | 19 | |
| 11-20 years ago | . | . | 1.2 | 38 | 1.2 | 38 | |
| 21-30 years ago | . | . | . | . | . | . | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | 0.2 | 100 | 0.4 | 70 | 0.6 | 56 | |
| over 50 years ago | . | . | 1.4 | 35 | 1.4 | 35 | |
| total | 0.6 | 56 | 7.2 | 8 | 7.8 | 7 | |
| OW | n/a | . | . | 2.4 | 26 | 2.4 | 26 |
| less than 10 years ago | 0.2 | 100 | 5.8 | 15 | 6.0 | 14 | |
| 11-20 years ago | . | . | 3.8 | 20 | 3.8 | 20 | |
| 21-30 years ago | . | . | 1.7 | 30 | 1.7 | 30 | |
| 31-40 years ago | . | . | 1.2 | 37 | 1.2 | 37 | |
| 41-50 years ago | . | . | 0.9 | 44 | 0.9 | 44 | |
| over 50 years ago | 0.2 | 100 | 2.9 | 23 | 3.1 | 22 | |
| total | 0.3 | 70 | 18.8 | 4 | 19.1 | 4 | |
| SG | n/a | . | . | 7.2 | 15 | 7.2 | 15 |
| less than 10 years ago | 0.2 | 100 | 19.6 | 8 | 19.7 | 8 | |
| 11-20 years ago | 0.7 | 50 | 12.9 | 11 | 13.6 | 10 | |
| 21-30 years ago | 0.2 | 100 | 3.8 | 21 | 4.0 | 20 | |
| 31-40 years ago | 0.2 | 100 | 2.1 | 28 | 2.3 | 27 | |
| 41-50 years ago | . | . | 2.3 | 27 | 2.3 | 27 | |
| over 50 years ago | 0.2 | 100 | 4.5 | 19 | 4.7 | 19 | |
| total | 1.4 | 35 | 52.4 | 3 | 53.8 | 3 | |
| SH | n/a | . | . | 1.3 | 37 | 1.3 | 37 |
| less than 10 years ago | . | . | 7.2 | 11 | 7.2 | 11 | |
| 11-20 years ago | . | . | 3.8 | 20 | 3.8 | 20 | |
| 21-30 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| 31-40 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| 41-50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| over 50 years ago | . | . | . | . | . | . | |
| total | . | . | 13.0 | 4 | 13.0 | 4 | |
| SO | n/a | 0.3 | 71 | 3.6 | 21 | 4.0 | 20 |
| less than 10 years ago | 0.2 | 100 | 17.1 | 7 | 17.3 | 7 | |
| 11-20 years ago | 0.2 | 100 | 7.7 | 14 | 7.8 | 13 | |
| 21-30 years ago | . | . | 1.4 | 35 | 1.4 | 35 | |
| 31-40 years ago | 0.2 | 100 | 0.9 | 44 | 1.0 | 40 | |
| 41-50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| over 50 years ago | 0.2 | 100 | 0.5 | 57 | 0.7 | 50 | |
| total | 1.0 | 40 | 31.4 | 3 | 32.4 | 3 | |
| SZ | n/a | 0.2 | 100 | 3.4 | 22 | 3.6 | 22 |
| less than 10 years ago | 0.5 | 57 | 9.5 | 12 | 10.0 | 11 | |
| 11-20 years ago | . | . | 5.5 | 17 | 5.5 | 17 | |
| 21-30 years ago | . | . | 2.7 | 25 | 2.7 | 25 | |
| 31-40 years ago | 0.2 | 100 | 2.1 | 28 | 2.3 | 27 | |
| 41-50 years ago | . | . | 1.6 | 33 | 1.6 | 33 | |
| over 50 years ago | . | . | 2.5 | 26 | 2.5 | 26 | |
| total | 0.9 | 44 | 27.3 | 4 | 28.2 | 4 | |
| TG | n/a | . | . | 1.8 | 29 | 1.8 | 29 |
| less than 10 years ago | . | . | 13.2 | 8 | 13.2 | 8 | |
| 11-20 years ago | . | . | 4.9 | 17 | 4.9 | 17 | |
| 21-30 years ago | . | . | 0.7 | 49 | 0.7 | 49 | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 0.3 | 71 | 0.3 | 71 | |
| total | . | . | 20.9 | 4 | 20.9 | 4 | |
| TI | n/a | 0.7 | 50 | 11.2 | 12 | 12.0 | 12 |
| less than 10 years ago | 0.2 | 100 | 10.2 | 13 | 10.4 | 13 | |
| 11-20 years ago | 0.5 | 58 | 9.8 | 13 | 10.4 | 13 | |
| 21-30 years ago | 0.7 | 50 | 8.6 | 14 | 9.3 | 13 | |
| 31-40 years ago | 0.5 | 58 | 9.5 | 13 | 10.0 | 13 | |
| 41-50 years ago | 1.2 | 38 | 12.8 | 11 | 14.1 | 11 | |
| over 50 years ago | 3.6 | 22 | 39.6 | 6 | 43.1 | 5 | |
| total | 7.5 | 15 | 101.7 | 2 | 109.2 | 2 | |
| UR | n/a | 0.2 | 100 | 2.9 | 24 | 3.1 | 23 |
| less than 10 years ago | 0.5 | 57 | 4.6 | 19 | 5.1 | 17 | |
| 11-20 years ago | 0.4 | 70 | 1.5 | 34 | 1.8 | 31 | |
| 21-30 years ago | 0.9 | 44 | 1.5 | 35 | 2.4 | 27 | |
| 31-40 years ago | 0.2 | 100 | 0.4 | 70 | 0.5 | 57 | |
| 41-50 years ago | . | . | 0.5 | 57 | 0.5 | 57 | |
| over 50 years ago | 0.7 | 49 | 2.4 | 27 | 3.1 | 23 | |
| total | 2.9 | 24 | 13.7 | 9 | 16.6 | 7 | |
| VD | n/a | 0.2 | 100 | 12.3 | 11 | 12.5 | 11 |
| less than 10 years ago | . | . | 41.1 | 5 | 41.1 | 5 | |
| 11-20 years ago | . | . | 17.8 | 9 | 17.8 | 9 | |
| 21-30 years ago | . | . | 10.7 | 12 | 10.7 | 12 | |
| 31-40 years ago | . | . | 4.1 | 21 | 4.1 | 21 | |
| 41-50 years ago | 0.4 | 71 | 2.5 | 27 | 2.8 | 25 | |
| over 50 years ago | 0.2 | 100 | 7.1 | 15 | 7.2 | 15 | |
| total | 0.7 | 50 | 95.5 | 2 | 96.2 | 2 | |
| VS | n/a | 0.3 | 71 | 13.3 | 11 | 13.7 | 11 |
| less than 10 years ago | 1.5 | 33 | 17.5 | 9 | 19.1 | 9 | |
| 11-20 years ago | 1.0 | 41 | 12.8 | 11 | 13.8 | 11 | |
| 21-30 years ago | 1.0 | 41 | 12.0 | 11 | 13.0 | 11 | |
| 31-40 years ago | 0.8 | 45 | 11.0 | 12 | 11.8 | 11 | |
| 41-50 years ago | 0.2 | 100 | 8.6 | 14 | 8.8 | 13 | |
| over 50 years ago | 1.9 | 30 | 21.2 | 8 | 23.1 | 8 | |
| total | 6.8 | 15 | 96.5 | 3 | 103.3 | 2 | |
| ZG | n/a | . | . | 0.8 | 42 | 0.8 | 42 |
| less than 10 years ago | . | . | 3.5 | 15 | 3.5 | 15 | |
| 11-20 years ago | . | . | 1.0 | 38 | 1.0 | 38 | |
| 21-30 years ago | . | . | 0.3 | 70 | 0.3 | 70 | |
| 31-40 years ago | . | . | . | . | . | . | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 0.2 | 100 | 0.2 | 100 | |
| total | . | . | 5.8 | 6 | 5.8 | 6 | |
| ZH | n/a | . | . | 6.2 | 16 | 6.2 | 16 |
| less than 10 years ago | . | . | 32.8 | 5 | 32.8 | 5 | |
| 11-20 years ago | . | . | 7.6 | 14 | 7.6 | 14 | |
| 21-30 years ago | . | . | 2.1 | 28 | 2.1 | 28 | |
| 31-40 years ago | . | . | 0.7 | 50 | 0.7 | 50 | |
| 41-50 years ago | . | . | . | . | . | . | |
| over 50 years ago | . | . | 0.4 | 71 | 0.4 | 71 | |
| total | . | . | 49.9 | 2 | 49.9 | 2 | |
| Switzerland | n/a | 3.4 | 23 | 134.6 | 3 | 138.0 | 3 |
| less than 10 years ago | 7.7 | 15 | 419.3 | 2 | 427.0 | 2 | |
| 11-20 years ago | 5.6 | 18 | 214.4 | 3 | 220.1 | 3 | |
| 21-30 years ago | 3.9 | 21 | 93.0 | 4 | 96.9 | 4 | |
| 31-40 years ago | 3.7 | 22 | 57.8 | 5 | 61.4 | 5 | |
| 41-50 years ago | 2.7 | 26 | 45.6 | 6 | 48.3 | 6 | |
| over 50 years ago | 8.9 | 14 | 131.4 | 3 | 140.3 | 3 | |
| total | 35.9 | 7 | 1096.1 | 1 | 1131.9 | 1 | |
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